1172223444 has 48 divisors (see below), whose sum is σ = 3127775616. Its totient is φ = 334723200.

The previous prime is 1172223439. The next prime is 1172223527. The reversal of 1172223444 is 4443222711.

It is a super-2 number, since 2×1172223444² = 2748215605326442272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197074 + ... + 202934.

It is an arithmetic number, because the mean of its divisors is an integer number (65161992).

Almost surely, 2^1172223444 is an apocalyptic number.

1172223444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1172223444 is an abundant number, since it is smaller than the sum of its proper divisors (1955552172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1172223444 is a wasteful number, since it uses less digits than its factorization.

1172223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8254 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 1172223444 is about 34237.7488161824. The cubic root of 1172223444 is about 1054.3953151572.

The spelling of 1172223444 in words is "one billion, one hundred seventy-two million, two hundred twenty-three thousand, four hundred forty-four".